Changelog for stm package

2.4.3 Mar 2014

• Update behaviour of newBroadcastTChanIO to match newBroadcastTChan in causing an error on a read from the broadcast channel

• Add mkWeakTVar

• Add isFullTBQueue

• Fix TChan created via newBroadcastTChanIO to throw same exception on a readTChan as when created via newBroadcastTChan

• Update to Cabal 1.10 format

2.4.2 Nov 2012

• Add Control.Concurrent.STM.TSem (transactional semaphore)

• Add Applicative/Alternative instances of STM for GHC <7.0

• Throw proper exception when readTChan called on a broadcast TChan

2.4 Jul 2012

• Add Control.Concurrent.STM.TQueue (a faster TChan)

• Add Control.Concurrent.STM.TBQueue (a bounded channel based on TQueue)

• Add Eq instance for TChan

• Add newBroadcastTChan and newBroadcastTChanIO

• Some performance improvements for TChan

• Add cloneTChan